Display device

Abstract

A display device includes electrodes spaced from each other in a display area, light emitting elements between the electrodes, test electrodes spaced from each other in a test area, and a test transistor electrically connected to the electrodes and the test electrodes.

What is claimed is: 
     
         1 . A display device comprising:
 electrodes spaced from each other in a display area;   light emitting elements between the electrodes;   test electrodes spaced from each other in a test area; and   a test transistor electrically connected to the electrodes and the test electrodes.   
     
     
         2 . The display device according to  claim 1 , wherein the electrodes and the test electrodes comprise a same conductive layer. 
     
     
         3 . The display device according to  claim 1 , wherein the electrodes and the test electrodes extend in a same direction. 
     
     
         4 . The display device according to  claim 1 , wherein a first transistor electrode of the test transistor is in contact with the test electrodes, and
 a second transistor electrode of the test transistor is in contact with the electrodes.   
     
     
         5 . The display device according to  claim 1 , further comprising:
 a test line connected to the test transistor.   
     
     
         6 . The display device according to  claim 5 , further comprising:
 signal lines connected to the electrodes.   
     
     
         7 . The display device according to  claim 6 , wherein the test line and the signal lines are electrically separated from each other. 
     
     
         8 . The display device according to  claim 7 , further comprising:
 a test pad connected to the test line.   
     
     
         9 . The display device according to  claim 1 , further comprising:
 connection electrodes on the light emitting elements to be in contact with the light emitting elements.   
     
     
         10 . A display device comprising:
 a first electrode and a second electrode spaced from each other in a display area;   light emitting elements between the first and second electrodes; and   a first test electrode and a second test electrode spaced from each other in a test area,   wherein the first electrode at least partially overlaps the first test electrode, and   wherein the second electrode at least partially overlaps the second test electrode.   
     
     
         11 . The display device according to  claim 10 , wherein the first electrode and the first test electrode comprise different conductive layers. 
     
     
         12 . The display device according to  claim 11 , wherein the first electrode is in contact with the first test electrode through a contact hole. 
     
     
         13 . A display device comprising:
 electrodes spaced from each other in a display area;   light emitting elements between the electrodes;   test electrodes spaced from each other in a test area; and   a conductive pattern between the electrodes and the test electrodes.   
     
     
         14 . The display device according to  claim 13 , wherein the electrodes and the test electrodes comprise a same conductive layer. 
     
     
         15 . The display device according to  claim 13 , wherein the conductive pattern is on the electrodes and/or the test electrodes. 
     
     
         16 . The display device according to  claim 13 , wherein one end of the conductive pattern is in contact with the electrodes, and another end of the conductive pattern is in contact with the test electrodes. 
     
     
         17 . The display device according to  claim 13 , wherein the electrodes include an open portion overlapping the conductive pattern. 
     
     
         18 . The display device according to  claim 13 , wherein the test electrodes include an open portion overlapping the conductive pattern. 
     
     
         19 . The display device according to  claim 13 , wherein the conductive pattern comprises a material that is different from that of the electrodes and/or the test electrodes. 
     
     
         20 . The display device according to  claim 13 , wherein the electrodes and the test electrodes are spaced from each other.